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Transcript of -- Innovative Power Solution For High Temperature Application introduction .pdf · -- Innovative...
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stored energy solutions for a demanding world
HTB Series
-- Innovative Power Solution For High Temperature Application
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Green voice from the world
Greenhouse gases emission reduced by 15% till year 2012
CO2 emission reduced by 20% comparing with year 1996 till year2020
CO2 emission reduced by 20% comparing with year 2006 till year 2020
CO2 emission reduced by 20% comparing with year 2006 till year 2020
Environment efficiency index increased by 30% comparing with 873Bit/Joule of year 2007
CO2 emission reduced by 50% comparing with year 2007
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Energy Conservation & Emission Reduction - Key works for telecom operators
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Energy consumption of cooling system
Reduce the energy consumption of Aircon is key factor for Telecom industry’s energy saving and emission-reduction
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Operation temperature range
Working environment analysis for BTS equipment
wireless equipment: Operating temperature: 5℃~55℃,Allowed Max working temperature: 50℃
Transmission equipment: Operating temperature: 0℃~45℃,normally work between 30℃~60℃
Power Supply:SMPS operating temperature -5℃~40℃A/C equipment: Max allowed operating temperature: higher than 50℃
Battery: Suggested working temperature 25℃,every 10℃increasing in operating temperature will cause battery life reduce 50%
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The Chief Scientist of Narada --- Mr. Herbert K. Giess
Leading scientist in battery industry – Ex chairman of IEC TC21
Most outstanding contributor for battery industry –Battery International 2004
Under the leadership of Mr. Herbert Giess, the HTB battery (High Temperature Battery) has been firstly invented by Narada R&D through 3 years hard-working.
Leader of HTB developing
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• Design for high temperature application(35 – 45degC ). Help to reduce energyconsumption
• Long life design for both floating andcyclic application.
• Excellent charge acceptance capability. Itis applicable for using at PSOC (partialstate of charge).
• Perfect to be applied to renewable energysystem or hybrid power system at toughcondition.
Features and applications of HTB
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Energy saving solution with HTB
Energy consumption saving without impacting battery life
Traditional normal battery 7
√Innovative HTB battery
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CapEx (Capital Expenditures) Saving Calculation – Spain, Europe, New site
Site Type Scenario
CapEx Calculation
Battery CostCoolingFacitlity
CostInstallation Cost Subsidy Tax
Traditionaloperating
mode
Floating application in Europe, Air Conditioning is required
(2*150Ah)
Approx.USD1700
Approx. USD1000
Considered as the same
Considered as the same
Considered as the same
HTB battery operating
mode
Floating application in Europe, fan cooling is required
(2*150Ah)
Approx. USD2500
Approx. USD100
Considered as the same
Considered as the same
Considered as the same
CapEx Saving by using HTB battery USD100 per site
Notes:1. The installation cost, subsidy are considered as the same. But actually these cost in traditional operating
mode is even higher since the air conditioning is required to be installed.
Commercial Superiority – Floating application
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OpEx (Operating Expense ) Saving Calculation – Spain, Europe, New site
Site Type Scenario YearCapEx Calculation
Cooling cost
Battery Replacement
Cooling Replacement
Maintenance Fee
Other Charges
Traditional Operating Mode
Normal Battery Air Conditioning is required
1st year USD 1150 0 Same Same Same
2nd year USD 1150 0 Same Same Same
3rd year USD 1150 0 Same Same Same
HTB Battery Operating Mode
HTB-600 Batteryfan cooling is required
1st year USD 100 0 Same Same Same
2nd year USD 100 0 Same Same Same
3rd year USD 100 0 Same Same Same
OpEx Saving by using HTB battery
1st year USD 1050 0 0 0 0
2nd year USD 1050 0 0 0 0
3rd year USD 1050 0 0 0 0
Total Saving in 3 years USD 3150.00
Notes: 1. Cooling cost in traditional site in a year = 15kWh/D * 365D * 0.21USD/kWh = USD11502. Cooling cost in HTB site in a year = 0.05 kW *24h/D * 365D * 0.21USD/kWh = USD1003. Supposing both HTB battery and the normal battery can be used at above scenarios for 3 years respectively.4. Air Conditioning shall be replaced every 3 years5. Supposing the maintenance fee and other charges are the same in these two types of sites. 6. Commercial power is 0.21USD/kWh.
Summary: By using HTB battery instead of normal battery in Span site, totally operator will save OpEx – USD3150 for 3 years’ operation.
Commercial Superiority – Floating application
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CapEx (Capital Expenditures) Saving Calculation – India, Aisa, New site or replacement, with Air con.
Notes:1. The installation cost, subsidy are considered as the same. But actually these cost in traditional operating
mode is even higher since the air conditioning is required to operation more.
Site Type ScenarioCapEx Calculation
Battery Cost Air-Con Cost Installation Cost Subsidy Tax
Traditionaloperating
mode
Normal Battery (8 hours) + DG (16 hours), with Air Conditioner
Approx.USD3500
Considered as the same
Set to 25degC
Considered as the same
Considered as the same
Considered as the same
HTB battery operating
mode
HTB-600 Battery (16 hours) + DG (8 hours), with Air
Conditioner
Approx. USD5500
Considered as the same
Set to 35degC
Considered as the same
Considered as the same
Considered as the same
CapEx Saving by using HTB battery USD-2000 per site
Commercial Superiority
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OpEx (Operating Expense ) Saving Calculation – India, Aisa, New site or replacement, with Air con.
Site Type Scenario YearOpEx Calculation
Diesel Cost Battery Replacement
Air-Con Replacement
Maintenance Fee
Other Charges
Traditional Operating Mode
Normal Battery (6 hours) + DG (18 hours), Air Conditioning is
required
1st year USD10285 0 Same Same Same
2nd year USD10285 0 Same Same Same
3rd year USD10285 0 Same Same Same
HTB Battery Operating Mode
HTB Battery (16 hours) + DG (8 hours), Air Conditioning is
required
1st year USD4790 0 Same Same Same
2nd year USD4790 0 Same Same Same
3rd year USD4790 0 Same Same Same
OpEx Saving by using HTB battery
1st year USD5495 0 0 0 0
2nd year USD5495 0 0 0 0
3rd year USD5495 0 0 0 0
Total Saving in 3 years USD16485.00
Notes: 1. Diesel cost in traditional site in a year = (Rs41/L X 2.1L/h X 18 h/day X365 days ) / (55Rs/USD) = USD102852. Diesel cost in HTB site in a year = (Rs41/L X 2.2L/h X 8h/day X 365 days) / (55Rs/USD) =USD47903. Supposing both HTB battery and the normal battery can be used at above scenarios for 3 years respectively.4. Air Conditioning shall be replaced every 2 years5. Supposing the maintenance fee and other charges are the same in these two types of sites. Actually, the Air
conditioner will consumed less power when set up to 35deg.C in HTB Mode.
Summary: By using HTB battery instead of normal battery in Indian site, totally operator will save OpEx – USD16485 for 3 years’ operation.
Commercial Superiority
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1.5kW on-grid site in Spain with Traditional VRLA battery
1.5kW on-grid site in Spain with Narada HTB solution
7.5kW off-grid site in India with Traditional VRLA battery
7.5kW off-grid site in India with Narada HTB solution
Sustainable Cost Savings
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Commercial Superiority
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Main Challenges “failure modes” of BatteryMain Challenges “failure modes” of Battery◆positive plate: active decline
Active material soften
Plate utility Efficiency decrease
Grid CorrosionPlate
extension
loosen contact between
active material and grids
Active material
efficiency decrease
Capacity
decrease
◆negative plate: sulphation
sulphation
Active material efficiency decrease
Capacity decrease
◆electrolyte: dry out
Water
loss
Resistance between plates increase
Stronger electrolyte
Positive plate
corrosionCapacity
decrease
Electrolyte leakage
Battery failure
◆separator failureLower pressure and lost contact to plates due to leak of water
Capacity decrease
Battery failure
Dendrite penetrate
◆container,
valve agingSeal
failure
Air enter
(absorb O2)
Negative plate
capacity decreaseBattery
failure
thermal run away
Challenges of high temperature
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Positive grid erosion Water loss of batteryThermal runawaySulphation of negative plate
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Impact factors of high temperature
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Core technology – positive grid alloy
Special alloy innovation in superior anti-erosion performance ( Patent of invention:200810162171.9 )
Appearance of different grid alloy after erosion
Research finds: Anti-erosion ability will be intensified after adding some elements
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Core technology – catalyst valve
Special catalyst valve applied to reduce secondary reaction and protect Negative
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Float Current at 40℃:Normal Batt: 180mAHTB Batt: 120mA
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Core technology – case material
Normal plastic material (deformation: at 90℃)
High temperature material((deformation: at 100℃)
Innovation of high temperature case material( Patent of invention:200810059699.3 )
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Curves of heat deformation test
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Special grid structure design
Core technology – grid design
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Less voltage drop, high specific surface, good cyclic performance, charge acceptance
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Prevention for negative plate sulphation
Reduce recombination happened on negative plate
Core technology – negative active material
Enhance anti sulphation ability by changing active material component
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Test Result of HTB
Vodafone test Senario
55 ℃, 80% DOD,16 hours discharge, 8hours recharge time 20
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High temp. accelerate test
Test Result of HTB
1 cycle=at 55 ℃ , 10 times of 80% DOD , 16 hours discharge, 8hours recharge time+ at 25℃ , 1 time of 100% DOD capacity discharge test.
i.e. 1 big cycle equals to 11 cycles
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InterTek Test Report – an international recognized 3rd party Test Authority
Notes: 1. Battery has been tested about 10 months, 20 daily discharge cycles and 21 times residue capacity determination.
Test Report
Test Result of HTB
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Test Result of HTB
CMCC test Senario
55 ℃, 80% DOD, 8 hours discharge 16 hours recharge time 23
-80
-60
-40
-20
0
20
40
60
80
100
120
-50 0 50 100 150 200 250 300
Nor
mal
dis
char
ge a
nd c
harg
e cu
rren
t in
A
Elapsed 16:8 cycle test duration in hours
CMCC - One 8:16 cycle set8 : 16 cycles
+55 oC
+25 oC
C10 capacity
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High temp. accelerate test
Test Result of HTB
1 cycle=at 55 ℃ , 10 times of 80% DOD , 16 hours charge, 8hours discharge time+ at 25℃ , 1 time of 100% DOD capacity discharge test
i.e. 1 big cycle equals to 11 cycles
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Comparison
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Comparison of Narada HTB, OPzV (tubular gel) and Regular VRLA batteries
Item 2V HTB Tubular-Gel battery (OPzV) Regular VRLA battery
Technologies AGM Gel AGM
Expected service life (35℃) 15 years 10 years 7.5 years
Operating Temp. -40℃ to 80℃ -40℃ to 55℃ -40℃ to 55℃
Initial Capacity ★★★ ★★ ★★★
Internal resistance ★★★ ★★ ★★★
High current performance ★★★ ★★★★★
Fast charge performance ★★★ ★ ★★
PSOC performance ★★★ ★★ ★
Water loss performance ★★★ ★★ ★★
Avoid thermal runaway ★★★ ★★★ ★★
Cycle life>80%DOD ★★ ★★★ ★
<80%DOD ★★★ ★★★ ★★
Float life ★★★ ★★★ ★★
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Marketing performance
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